diff --git a/README.md b/README.md
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--- a/README.md
+++ b/README.md
@@ -2,6 +2,10 @@
 
 A parser for the [Intel Hexadecimal Object File Format (.hex)](https://en.wikipedia.org/wiki/Intel_HEX), written in Swift.
 
+## Status
+
+Very experimental and untested.
+
 ![](https://github.com/ole/HexHexHex/workflows/macOS/badge.svg) ![](https://github.com/ole/HexHexHex/workflows/Linux/badge.svg)
 
 ## Usage